Gruber Assist motors became the center of a controversial subject in the cycling world, which is being referred to as “mechanical doping”. Although allegations over claims that Fabian Cancellara was using a secret motor to assist him on both his victories at the Tour of Flanders and Paris-Roubaix is up for debate, the concept of motor-assisted bicycles show merit for non-competing cyclists.

Gruber describes its product as an “invisible ascent aid”. The motor can be placed inside a seat tube of 31.6 mm in diameter. A battery pack must accompany the motor which can be placed in the carbon frame. A NiMH battery can be used since it is cylindrical in shape and it can be concealed easily if needed. The electric motor offers 200 watts of power and a performance advantage for duration of 100 minutes max.

For cyclists who ride for exercise and recreation, the Gruber Assist motor can…